Survivor: Heroes vs. Villains is the twentieth season of the American TV series Survivor. It premiered on February 11th, 2010 with a 2-hour special premiere. Unlike previous seasons where a break in production occurred between seasons, the twentieth season was shot twenty days after Survivor: Samoa was completed, taking advantage of the existing infrastructure from that season. Casting for Heroes vs. Villains was done simultaneously with casting for Survivor: Samoa-http://en.wikipedia.org/wiki/Survivor:_Heroes_vs._Villains